Shell of a pet chase toy



FIG. 1 is a front perspective view of the shell of a pet chase toy in accordance with the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof (the left side view is a mirror image thereof); and,

FIG. 6 is a top view thereof.

The portions of the drawings shown in broken lines are for illustration only and depict features forming no part of the claimed design. 

CLAIM The ornamental design for a shell of a pet chase toy, as shown and described. 